package Thred;

import java.util.concurrent.CountDownLatch;

/**
 * @author jiashaopeng
 * @create 2021-03-22
 */

public class CountDownLatchDemo {
    public static void main(String[] args) throws InterruptedException {
        CountDownLatch countDownLatch = new CountDownLatch(6);
        for (int i = 1; i <= 6; i++) {
            new Thread(() -> {
                System.out.println(Thread.currentThread().getName() + "\t 上完自习,离开教室");
                countDownLatch.countDown();
            }, CountryEnum.forEach_countryEnum(i).getRetMessage()).start();

        }
        countDownLatch.await();
        System.out.println(Thread.currentThread().getName() + "\t 班长最后关门");
    }
}
